BATTERY CELL WITH ELECTRODE HAVING CONTINUOUS TAB
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United States of America Patent
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May 27, 2021
app pub date -
Nov 20, 2020
filing date -
Nov 21, 2019
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Abstract
An electrode assembly includes a first substrate, a first active material composite coating the first substrate, a first electrode tab is formed by an uncoated portion of the first substrate that extends continuously between a first end and a second end of the first substrate. The assembly further includes a second elongate substrate, a second active material composite coating the second substrate, and a second electrode tab formed by an uncoated portion of the second substrate that extends continuously between a first end and a second end of the second substrate. An electrically-insulative separator is between the first substrate and the second substrate. The first substrate and second substrate, stacked together with the separator located between them, are then rolled about a central axis to form a jelly roll.
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